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use a Web browser client for access.

OTM is a product that has evolved and will continue to

evolve into a completely Web based architecture.

Since this is an ongoing evolution, not all of the OTM

applications have been ported to the Web user

interface (thus the current requirement for the

Windows clients). As we move forward, our continued

management strategy is to Web enable the remaining

OTM Windows applications which will resolve many of

the client-server bandwidth requirement issues. We

are also actively looking at methods of providing

improved management integration with other

telephony systems such as CallPilot and BCM.

ROUTERS / SWITCHES

Configuring SNMPv3 on the Passport 8600

This document provides an overview of how to

configure SNMP Version 3 on the Passport 8600.

Step-by-step configuration of SNMPv3 users and

views are provided using both the command line

interface and Java Device Manager. In addition, the

document provides an overview of managing the

Passport 8600 with Optivity NMS through SNMPv3.

Configuring SNMPv3

SECURITY / VPN

Contivity 4.7 NAT (Network Address

Translation) configuration technical guide

The Contivity Secure 4.7 release offers multiple new

secure routing features that allow Contivity to better

participate dynamic and complex L3 routed VPN

implementations. Increased functionality around

Contivity’s ability to provide Network Address

Translation is one the key routing functional areas that

we continue to greatly enhance the product line.

Network Address Translation allows a network to use

one set of network addresses internally and a different

set when dealing with external networks. When an

internal machine sends a packet to the outside, NAT

modifies the source address of the packet to make the

packet look as if it is coming from a valid address.

When an external machine sends a packet to the

inside, NAT modifies the destination address to turn

the externally visible address into the correct internal

address. NAT can also modify the source and

destination port numbers.

The Contivity NAT Services Technical Configuration

Guide provides general guidelines for various network

scenarios that a network engineer might typically run

into.

Contivity NAT Services Technical Config Guide

OPTICAL / STORAGE

OM5200 GFSRM Card Supported Protocols:

Protocols: FC-100 MM (850 nm), FICON (850nm) FC-

100 SM (1310nm), FICON SM (1310nm)

Native bit rate: 1062.5M (8B10B)

Supporting client interface: GFSRM

Supporting line interface: 2.5G Flex OCLD

Line bit rate: OC-48 on the line side

Performance monitoring: 8B10B on client

Protocols: GbE MM, GbE SM

Native bit rate: 1250M (8B10B) line code

Supporting client interface: GFSRM

Supporting line interface: 2.5G Flex OCLD

Line bit rate: OC-48 on the line side

Performance monitoring: 8B10B on client

For the GFSRM connecting to a 2.5G Flex OCLD on

the same shelf, the remote OCLD/OTR connectivity

can be a 2.5G Fix OCLD, a 2.5G Flex OCLD or a

2.5G Flex OTR.

If an OCLD is selected, then the client interface card

must be a GF SRM, or a SONET OCI or a Fix rate

OCI (since the bit rate is OC-48).

Use of Multimode Fiber with the OPTera

Metro 3000

Apart from the 100FX-MM and 1000Base-SX OPTera

Packet Edge cards, optical interfaces on the OPTera

Metro 3000 are intended to be used with single mode

fiber cable. Multimode fiber is not supported, nor

specified by Nortel for OM3000 applications.

Theoretical studies carried out by the optical

development in the past have attempted to quantify

the performance of single mode based systems over

multimode fiber. These studies focused on the lower

bit-rate SONET interfaces; namely the OC-3 and OC-

12 IR and LR interfaces. Distance limitations of these

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